From Fondation Beyeler, Riehen (Switzerland): On Saturdays, Sundays and public holidays (March – October 2018) at 11:30 a.m. & 3:30 p.m. from departure point «Waterspout» by Tobias Rehberger (Bachtelenweg). 6 Euros per person, children free. Pay (cash/debit or credit card) on the «24 Stops» shuttle. No minimum number of passengers. Please find more information here.